Shade roller



Feb. 7. 1925.

T G WHITTEN SHADE ROLLER FldAp 1 24 192:5

Thames 6 Wh/ffen IN VEN TOR.

ATTORNEi S.

Patented Feb. 17, 1925.

UNITED STATES PATENT OFFICE.

Application filed April 24, 1923.

To all whom it may concern:

Be it known that I, THOMAS G. WHITTEN,

a citizen of the United States, residing at Dallas, in the county of Dallas and State I of Texas, have invented certain new and useful Improvements in Shade Rollers, of

which the following is a specification.

This invention relates to shade rollers, and refers to that particular type of roller on the friction locking principle.

The objects of the invention are to provide a device of this character simple of construction and inexpensive of manufacture whereby the curtain or shade on the roller is raised by a cord adapted to turn the roller to wind the curtain, and whereby when the curtain is lowered to any desired point, it

is held at that point by a special friction bracket at one end of the roller, there being means on the structure of the bracket to be released when the curtain is raised, and to be engaged when the curtain is lowered, said engagement allowing the friction mechanism to function.

Further objects and features, as well as the above, will be set forth in the following description, taken in connection with the drawings attached hereto, as follows:

Figure 1 represents a side sectional view of the invention.

Figure 2 is an end elevation of the cord actuated end of the roller.

Figure 3 shows an elevational view of the opposite end of the roller.

Figure 4 is a detail perspective View of the dog and associated parts.

In the figures, the body of the roller 1 is shown, with shaft 2 fixed in one end and supporting stationary roller 2 thereon, cord 4 5 guided by means 7 on bracket 3 passes over the roller and has one of its ends fastened thereto, the bracket being fastened or attached to the wood work or steel work of Serial No. 634,224.

the window frame 4. As the cord is pulled through the bracket extension means 7, the shade 6 is raised, dog 11 is forced upwardly by the flattened section 9 of shaft 9, movably journaled in the other end of roller 1. As the tension on the cord is slackened, or when the curtain or shade is pulled down, the weight of the dog causes it to fall down until lug 12 on bracket 13 contacts with it, the dog falling in such a position as to engage section 9, thereby allowing the friction of the washer 13, held by the spring 10 against the body of the roller, and the friction of shaft 9 against the body of the roller, to function to hold the curtain or shade in the position where it is drawn. The brackets 3 and 13 are held on the sill or window frames by means 8 and 14.

What is claimed is:

In combination with a shade roller, a bracket, a shaft on one end of the roller received in the bracket and having flattened faces, a dog pivoted at one end to the bracket and having its opposite end edge formed to engage one of the flattened faces of the shaft, a lug on the bracket for restricting downward movement of the dog, said roller having a bore surrounding a part of said shaft and extending through said end of the roller, a washer on the part of the shaft in the bore, a cap on said end of the roller extending over the outer end of the bore and perforated to receive the shaft, a spring surrounding said part of the shaft and engaging said washer at one end to force same against a wall of the roller defined by the bore and engaging the cap at its opposite end, and a cord connected to the roller to rotate the same.

In testimony whereof I have signed my name to this specification.

THOMAS G. WHITTEN. 

